'Son in law' in the Bible
And the men said to Lot, Whom hast thou here besides? a son-in-law, and thy sons, and thy daughters, and all whom thou hast in the city bring them out of the place.
Then the Philistines said, "Who has done this?" And they said, "Samson, the son-in-law of the Timnite, because he has taken his wife and given her to his companion." And the Philistines came up, and burned her and her father with fire.
And on the fourth day they arose early in the morning, and he prepared to go; but the girl's father said to his son-in-law, "Strengthen your heart with a morsel of bread, and after that you may go."
And David said to Saul, Who am I? and what is my life, or my father's family in Israel, that I should be son-in-law to the king?
And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be upon him. And Saul said to David, Thou shalt this day be my son-in-law a second time.
And Saul commanded his servants, Speak with David secretly, saying, Behold, the king has delight in thee, and all his servants love thee: now therefore be the king's son-in-law.
And Saul's servants spoke those words in the ears of David. And David said, Is it a light thing in your eyes to be the king's son-in-law, seeing that I am a poor man, and lightly esteemed?
And his servants told David these words; and the thing was right in David's sight to be the king's son-in-law. And the days were not expired,
when David arose and went, he and his men, and smote of the Philistines two hundred men; and David brought their foreskins, and they delivered them in full to the king, that he might be the king's son-in-law. And Saul gave him Michal his daughter as wife.
And Ahimelech answered the king and said, And who is so faithful among all thy servants as David, who is the king's son-in-law, and has access to thy secret council, and is honourable in thy house?
And he walked in the way of the house of Ahab, and did evil in the sight of Jehovah, like the house of Ahab; for he was the son-in-law of the house of Ahab.
For there were many in Judah sworn to him; for he was a son-in-law of Shechaniah the son of Arah; and his son Johanan had taken the daughter of Meshullam the son of Berechiah.
And one of the sons of Joiada, the son of Eliashib the high priest, was son-in-law to Sanballat the Horonite; and I chased him from me.